<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文件上传</title>
    <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/bootstrap@3.3.7/dist/css/bootstrap.min.css" integrity="sha384-BVYiiSIFeK1dGmJRAkycuHAHRg32OmUcww7on3RYdg4Va+PmSTsz/K68vbdEjh4u" crossorigin="anonymous">
</head>
<body>
<form action="{:url('index/upload')}" method="post" enctype="multipart/form-data" >
    <input type="file" name="file" /><br/>
    <input class="btn btn-info" type="submit" value="上传" />

    <select name="group" >
        <option value="1">测试组</option>
        <option value="2">开发组</option>
        <option value="3">售后组</option>
    </select>
</form>
</body>
</html>